/*-
 * #%L
 * This file is part of "Apromore Community".
 * %%
 * Copyright (C) 2018 - 2020 Apromore Pty Ltd.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
 * #L%
 */
/**
 * Copyright (c) 2009, Ole Eckermann, Stefan Krumnow & Signavio GmbH
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.signavio.warehouse.business.util.jpdl4;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import java.util.List;

public class JpdlToJson {
    private static Process process;

    public static String transform(Document doc) {
        // trigger for transformation
        Node root = getRootNode(doc);
        if (root == null)
            return "";

        process = new Process(root);
        process.createTransitions();

        try {
            return process.toJson();
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return "";

    }

    public static JSONObject createJsonObject(String uuid, JSONObject stencil,
                                              JSONArray outgoing, JSONObject properties, JSONArray childShapes,
                                              JSONObject bounds) throws JSONException {
        // create Oryx compliant JSONObject for Node
        JSONObject node = new JSONObject();

        node.put("bounds", bounds);
        node.put("resourceId", uuid);
        node.put("stencil", stencil);
        node.put("outgoing", outgoing);
        node.put("properties", properties);
        node.put("childShapes", childShapes);
        return node;
    }

    private static Node getRootNode(Document doc) {
        Node node = doc.getDocumentElement();
        if (node == null || !node.getNodeName().equals("process"))
            return null;
        return node;
    }

    public static Bounds getBounds(Node node) {
        if (node != null) {
            String bounds = node.getNodeValue();
            return new Bounds(bounds.split(","));
        } else {
            return new Bounds();
        }
    }

    public static String getAttribute(NamedNodeMap attributes, String name) {
        if (attributes.getNamedItem(name) != null)
            return attributes.getNamedItem(name).getNodeValue();
        return null;
    }

    public static Process getProcess() {
        return process;
    }

    public static JSONArray getTransitions(List<Transition> outgoings) throws JSONException {
        JSONArray outgoing = new JSONArray();

        for (Transition t : outgoings) {
            JSONObject tt = new JSONObject();
            tt.put("resourceId", t.getUuid());
            outgoing.put(tt);
        }
        return outgoing;
    }
}
